Privacy Policy

Overview

AnkiChess ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our service.

Information We Collect

Account Information

When you create an account, we collect:

• Email address
• Password (stored securely using industry-standard hashing)
• Google account ID (if you sign in with Google)

Usage Data

We automatically collect:

• Study progress and performance data
• Opening selections and preferences
• Session duration and activity patterns

Payment Information

Payment processing is handled by Stripe. We do not store your credit card information. We only receive confirmation of payment status from Stripe.

How We Use Your Information

We use your information to:

• Provide and maintain the AnkiChess service
• Process your subscription payments
• Calculate and schedule spaced repetition reviews
• Improve our service based on usage patterns
• Send important service-related communications

Data Storage and Security

Your data is stored securely using Cloudflare's infrastructure. We implement industry-standard security measures including:

• Encrypted data transmission (HTTPS)
• Secure password hashing
• Regular security audits

Third-Party Services

We use the following third-party services:

• Cloudflare - Hosting and security
• Stripe - Payment processing
• Google - Optional OAuth authentication

Your Rights

You have the right to:

• Access your personal data
• Correct inaccurate data
• Delete your account and associated data
• Export your study progress data

Contact Us

If you have questions about this Privacy Policy, please contact us at privacy@ankichess.com.